Should anyone accept Theresa May's and the Labour right's version of events? Corbyn has correctly cautioned against the rush to judgement to blame Russia for the poisoning of former spy Sergei Skripal and his daughter Yulia.

The congress was attended by delegates and visitors from party branches all over England and Wales. Developments in the world and in Britain were discussed, along with building the Socialist Party and the CWI.

The workers' movement must maintain an independent class opposition to a Tory Brexit, 'soft', 'hard' or 'no deal'. But that is not the position of the Blairite defenders of capitalism within the Labour Party.